1) an abbreviation for Buffy the Vampire Slayer, a tv show that ran for seven years and was pretty damn good
2) Valley girl who shops and usually has blond hair
3) A hottie
4) A chick who can kick an infinite amount of ass

1) Dude, Buffy's on.
2) "Can we just beat these Buffy's down so i can go home?"
3) "That girl's so hot, she's buffy."
4) Greek pissed me off so much that i had to go all Buffy on him.